package com.jelly.io.nio;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;

public class BufferToText {
	private static final int BSIZE=1024;
	public static void main(String[] args) throws IOException {
		try {
			FileChannel fc = new FileOutputStream("data2.txt").getChannel();
			fc.write(ByteBuffer.wrap("Some text".getBytes()));
			fc.close();
			fc = new FileInputStream("data2.txt").getChannel();
			ByteBuffer buff = ByteBuffer.allocate(BSIZE);
			fc.read(buff);
			buff.flip();
			//Doesn't word
			System.out.println(buff.asCharBuffer());
			//Decode using this system's default Charset
			buff.rewind();
			String encoding = System.getProperty("file.encoding");
			System.out.println("Decoded using "+encoding +Charset.forName(encoding).decode(buff));
			fc = new FileOutputStream("data2.txt").getChannel();
			fc.write(ByteBuffer.wrap("Some text".getBytes("UTF-16BE")));
			fc.close();
			fc = new FileInputStream("data2.txt").getChannel();
			buff.clear();
			fc.read(buff);
			buff.flip();
			System.out.println(buff.asCharBuffer());
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
	}
}
